Patents by Inventor Tsuyoshi Endo
Tsuyoshi Endo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9389574Abstract: A sound absorbing device including a Helmholtz resonator also includes a projection part having a shape of protruding from an outer wall surface of a communicating part forming plate among the communicating part forming plate and a cavity forming member that are cavity part forming members forming a cavity part of the Helmholtz resonator, and surrounding an opening of a communicating part that causes the cavity part to communicate with the outside.Type: GrantFiled: February 25, 2015Date of Patent: July 12, 2016Assignee: RICOH COMPANY, LIMITEDInventors: Kouta Hirakawa, Junichi Murano, Shoji Asanuma, Toshihiro Shimada, Tsuyoshi Endo, Hiroki Ishimitsu, Masahiro Ishida, Naoki Matsuda
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Patent number: 9353553Abstract: An image forming apparatus includes an image forming unit configured to form an image; a drawer unit configured to be pulled out from a body of the image forming apparatus; a first lock unit configured to receive power from a power supply and perform at least one of lock and unlock of the drawer unit with respect to the body; and a second lock unit configured to perform lock and unlock of the drawer unit with respect to the body by a mechanical operation performed by an operator.Type: GrantFiled: December 12, 2013Date of Patent: May 31, 2016Assignee: RICOH COMPANY, LIMITEDInventors: Yusuke Funayama, Joh Ebara, Hiroshi Ishii, Junichi Kawase, Kohta Takenaka, Tetsuji Nishikawa, Yoshihide Ohta, Kouta Hirakawa, Toshihiro Shimada, Tsuyoshi Endo
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Publication number: 20150343816Abstract: An electronic device comprises: a shielding object that is arranged at least in a plurality of directions and shields noise; and a Helmholtz silencer that is arranged in a direction where the shielding object does not exist, the shielding object and the silencer being arranged with respect to a noise source causing noise such as a driving source that is arranged inside an apparatus body, wherein a neck portion of the Helmholtz silencer is directed to the noise source, a plurality of such Helmholtz silencers are provided to correspond to at least two kinds of frequencies, and installed number of the Helmholtz silencers corresponding to at least two kinds of the frequencies respectively, is made different depending on a distance from the noise source.Type: ApplicationFiled: June 2, 2015Publication date: December 3, 2015Applicant: Ricoh Company, LimitedInventors: Junichi KAWASE, Junichi MURANO, Shoji ASANUMA, Toshihiro SHIMADA, Kouta HIRAKAWA, Tsuyoshi ENDO, Hiroki ISHIMITSU, Masahiro ISHIDA, Naoki MATSUDA
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Patent number: 9176462Abstract: An image forming apparatus having a drawer unit that includes therein a paper-feeding conveying path for conveying a recording medium conveyed from a paper feeding unit on which the recording media are stacked to an image forming unit and/or a discharge conveying path for conveying the recording medium on which an image has been formed to a discharging unit, and be drawn out from an apparatus main body; a lock unit that locks the drawer unit to the apparatus main body; a straddle detecting unit that detects whether the recording medium straddles a conveying path in the apparatus main body and a conveying path in the drawer unit; and a controller that controls the lock unit to lock the drawer unit to the apparatus main body when the straddle detecting unit detects the straddle.Type: GrantFiled: December 11, 2013Date of Patent: November 3, 2015Assignee: RICOH COMPANY, LIMITEDInventors: Yoshihide Ohta, Joh Ebara, Hiroshi Ishii, Junichi Kawase, Kohta Takenaka, Tetsuji Nishikawa, Kohta Hirakawa, Toshihiro Shimada, Yusuke Funayama, Tsuyoshi Endo, Yusuke Masu, Makoto Suzuki
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Patent number: 9163429Abstract: An image forming apparatus includes a drawer unit configured to be drawn out from a body of the image forming apparatus. The drawer unit includes a carriage path for carrying a recording medium, a lock unit configured to lock the drawer unit in the body, a driving unit configured to drive the lock unit, the driving unit including at least a driving source, and a drawer unit cover configured to cover at least the drawer unit. The drawer unit cover is a part of an outer cover of the body arranged on a side in a drawing direction of the drawer unit. The drawer unit cover is attached to the drawer unit so that the drawer unit cover is removed from the drawer unit in a state where the drawer unit is attached to the body.Type: GrantFiled: December 12, 2013Date of Patent: October 20, 2015Assignee: Ricoh Company, LimitedInventors: Kohta Takenaka, Joh Ebara, Hiroshi Ishii, Junichi Kawase, Tetsuji Nishikawa, Yoshihide Ohta, Kohta Hirakawa, Toshihiro Shimada, Yusuke Funayama, Tsuyoshi Endo
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Publication number: 20150243274Abstract: A sound absorbing device including a Helmholtz resonator also includes a projection part having a shape of protruding from an outer wall surface of a communicating part forming plate among the communicating part forming plate and a cavity forming member that are cavity part forming members forming a cavity part of the Helmholtz resonator, and surrounding an opening of a communicating part that causes the cavity part to communicate with the outside.Type: ApplicationFiled: February 25, 2015Publication date: August 27, 2015Applicant: Ricoh Company, LimitedInventors: Kouta HIRAKAWA, Junichi MURANO, Shoji ASANUMA, Toshihiro SHIMADA, Tsuyoshi ENDO, Hiroki ISHIMITSU, Masahiro ISHIDA, Naoki MATSUDA
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Patent number: 8849180Abstract: An image forming apparatus includes an image forming part configure to form an image on a sheet of paper; and a paper ejection tray, provided above an image forming part, including a supporting part configured to support the sheet of paper ejected after having the image formed thereonto by the image forming part, and a radiation opening configured to radiate therethrough heat from the image forming part to the outside air. The radiation opening is provided lower than the supporting part.Type: GrantFiled: August 10, 2011Date of Patent: September 30, 2014Assignee: Ricoh Company, Ltd.Inventors: Masaki Kimura, Gakushi Tanaka, Tsuyoshi Endo
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Publication number: 20140169828Abstract: The present invention is concerning to an image forming apparatus comprising: a drawer unit that includes therein a paper-feeding conveying path for conveying a recording medium conveyed from a paper feeding unit on which the recording mediums are stacked to an image forming unit and/or a discharge conveying path for conveying the recording medium on which an image has been formed to a discharging unit, and be drawn out from an apparatus main body; a lock unit that locks the drawer unit to the apparatus main body; a straddle detecting unit that detects whether the recording medium straddles a conveying path in the apparatus main body and a conveying path in the drawer unit; and a controller that controls the lock unit to lock the drawer unit to the apparatus main body when the straddle detecting unit detects the straddle.Type: ApplicationFiled: December 11, 2013Publication date: June 19, 2014Applicant: RICOH COMPANY, LIMITEDInventors: Yoshihide OHTA, Joh EBARA, Hiroshi ISHII, Junichi KAWASE, Kohta TAKENAKA, Tetsuji NISHIKAWA, Kohta HIRAKAWA, Toshihiro SHIMADA, Yusuke FUNAYAMA, Tsuyoshi ENDO, Yusuke MASU, Makoto SUZUKI
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Publication number: 20140167580Abstract: An image forming apparatus includes an image forming unit configured to form an image; a drawer unit configured to be pulled out from a body of the image forming apparatus; a first lock unit configured to receive power from a power supply and perform at least one of lock and unlock of the drawer unit with respect to the body; and a second lock unit configured to perform lock and unlock of the drawer unit with respect to the body by a mechanical operation performed by an operator.Type: ApplicationFiled: December 12, 2013Publication date: June 19, 2014Applicant: RICOH COMPANY, LIMITEDInventors: Yusuke FUNAYAMA, Joh EBARA, Hiroshi ISHII, Junichi KAWASE, Kohta TAKENAKA, Tetsuji NISHIKAWA, Yoshihide OHTA, Kouta HIRAKAWA, Toshihiro SHIMADA, Tsuyoshi ENDO
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Publication number: 20140167587Abstract: An image forming apparatus includes a drawer unit configured to be drawn out from a body of the image forming apparatus. The drawer unit includes a carriage path for carrying a recording medium, a lock unit configured to lock the drawer unit in the body, a driving unit configured to drive the lock unit, the driving unit including at least a driving source, and a drawer unit cover configured to cover at least the drawer unit. The drawer unit cover is a part of an outer cover of the body arranged on a side in a drawing direction of the drawer unit. The drawer unit cover is attached to the drawer unit so that the drawer unit cover is removed from the drawer unit in a state where the drawer unit is attached to the body.Type: ApplicationFiled: December 12, 2013Publication date: June 19, 2014Applicant: RICOH COMPANY, LIMITEDInventors: Kohta TAKENAKA, Joh EBARA, Hiroshi ISHII, Junichi KAWASE, Tetsuji NISHIKAWA, Yoshihide OHTA, Kohta HIRAKAWA, Toshihiro SHIMADA, Yusuke FUNAYAMA, Tsuyoshi ENDO
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Publication number: 20140018537Abstract: A cyclic amine derivative represented by the formula (II) is a GPR119 agonist, and is used as an agent for treating diabetes. wherein Ar0 is phenyl or phenyl having a substituent such as C1-8 alkylsulfonyl or the like, pyridyl, or pyridyl having a substituent such as C1-8 alkylsulfonyl; A0 is (CH2)p, O, or the like; B0 is (CH2)q, or the like, provided that B0 is neither O nor NR25 when A0 is O or NR24; one of U0 and V0 is N, and the other is N or CR26; each of X0 and Y0 is C1-3 alkylene or C1-3 alkylene having a substituent; R23 is a C1-8 alkyl group or the like; each of R21 and R22 is hydrogen, a halogen atom, or the like.Type: ApplicationFiled: September 16, 2013Publication date: January 16, 2014Applicant: NIPPON CHEMIPHAR CO., LTD.Inventors: Tsuyoshi ENDO, Rie Takahashi, Hiroto Tanaka, Toshihiro Kunigami, Takaichi Hamano, Mai Okamura, Kaoru Hara
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Patent number: 8536176Abstract: A cyclic amine derivative represented by the formula (II) is a GPR119 agonist, and is used as an agent for treating diabetes. wherein Ar0 is phenyl or phenyl having a substituent such as C1-8 alkylsulfonyl or the like, pyridyl, or pyridyl having a substituent such as C1-8 alkylsulfonyl; A0 is (CH2)p, O, or the like; B0 is (CH2)q, or the like, provided that B0 is neither O nor NR25 when A0 is O or NR24; one of U0 and V0 is N, and the other is N or CR26; each of X0 and Y0 is C1-3 alkylene or C1-3 alkylene having a substituent; R23 is a C1-8 alkyl group or the like; each of R21 and R22 is hydrogen, a halogen atom, or the like.Type: GrantFiled: July 31, 2009Date of Patent: September 17, 2013Assignee: Nippon Chemiphar Co., Ltd.Inventors: Tsuyoshi Endo, Rie Takahashi, Hiroto Tanaka, Toshihiro Kunigami, Takaichi Hamano, Mai Okamura, Kaoru Hara
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Publication number: 20120245344Abstract: A compound represented by the formula (II) is a GPR119 agonist, and is used as an agent for treating diabetes: wherein each of R23, R24, and R25 is hydrogen, halogen, C1-8 alkyl, C1-8 alkoxy, C1-8 alkylsulfonyl, or the like; each of Q0 and T0 is CH2 or the like, or Q0 and T0 are combined to form CH?CH or the like; A0 is (CH2)p, C(O), or a bond; B0 is a bond or the like; one of U0 and V0 is N, and the other is CR31 or the like; each of X0 and Y0 is CH2CH2 or the like; Z0 is C(O)OR32 or the like; and each of R21 and R22 is hydrogen, a halogen atom, hydroxyl, C1-8 alkyl, or the like.Type: ApplicationFiled: August 30, 2010Publication date: September 27, 2012Applicant: NIPPON CHEMIPHAR CO., LTD.Inventors: Tsuyoshi Endo, Hiroto Tanaka, Toshihiro Takahashi, Toshihiro Kunigami
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Publication number: 20120116073Abstract: A compound having the following formula (II) or its pharmacologically acceptable salt is used as a P2X4 receptor antagonist: in which R11 represents hydrogen or an alkyl group having 1-8 carbon atoms; R21 represents an alkyl group having 1-8 carbon atoms, an alkoxy group having 1-8 carbon atoms, an alkyl group having 1-8 carbon atoms and having 1-3 halogen substituents, or hydroxyl; and R31 is hydrogen or a halogen atom.Type: ApplicationFiled: January 20, 2012Publication date: May 10, 2012Applicant: NIPPON CHEMIPHAR COL, LTD.Inventors: Shogo SAKUMA, Tsuyoshi Endo, Toshiyasu Imai, Noriko Kanakubo, Masahiko Arai, Toshihiro Takahashi, Kenji Hirate, Takako Hirate, Tomio Yamakawa, Makoto Tsuda, Kazuhide Inoue
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Publication number: 20120045263Abstract: An image forming apparatus includes an image forming part configure to form an image on a sheet of paper; and a paper ejection tray, provided above an image forming part, including a supporting part configured to support the sheet of paper ejected after having the image formed thereonto by the image forming part, and a radiation opening configured to radiate therethrough heat from the image forming part to the outside air. The radiation opening is provided lower than the supporting part.Type: ApplicationFiled: August 10, 2011Publication date: February 23, 2012Inventors: Masaki Kimura, Gakushi Tanaka, Tsuyoshi Endo
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Publication number: 20110137032Abstract: A cyclic amine derivative represented by the formula (II) is a GPR119 agonist, and is used as an agent for treating diabetes. wherein Ar0 is phenyl or phenyl having a substituent such as C1-8 alkylsulfonyl or the like, pyridyl, or pyridyl having a substituent such as C1-8 alkylsulfonyl; A0 is (CH2)p, O, or the like; B0 is (CH2)q, or the like, provided that B0 is neither O nor NR25 when A0 is O or NR24; one of U0 and V0 is N, and the other is N or CR26; each of X0 and Y0 is C1-3 alkylene or C1-3 alkylene having a substituent; R23 is a C1-8 alkyl group or the like; each of R21 and R22 is hydrogen, a halogen atom, or the like.Type: ApplicationFiled: July 31, 2009Publication date: June 9, 2011Applicant: NIPPON CHEMIPHAR CO., LTD.Inventors: Tsuyoshi Endo, Rie Takahashi, Hiroto Tanaka, Toshihiro Kunigami, Takaichi Hamano, Mai Okamura, Kaoru Hara
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Publication number: 20110092703Abstract: A P2X4 receptor antagonist is a compound represented by the formula (I) or a pharmacologically acceptable salt thereof, which is used as a preventive or therapeutic agent for neuropathic pains: Wherein B is aryl or the like that can have a substituent; Y is C1-5 alkylene that can have a double bond; Z is O, S or the like; each of R1, R2 and R3 independently is hydrogen, C1-8 alkyl or the like; R4 is hydrogen, C1-8 alkyl or the like; each of P and Q independently is hydrogen, halogen, C1-8 alkyl or the like; W is C1-8 alkyl or the like; and each of n and m independently is 1 or 2.Type: ApplicationFiled: August 8, 2008Publication date: April 21, 2011Applicant: NIPPON CHEMIPHAR CO., LTD.Inventors: Shogo Sakuma, Tsuyoshi Endo, Noriko Kanakubo, Masahiko Arai, Toshihiro Takahashi, Toshiyasu Imai, Kumiko Taguchi, Eriko Nakata, Nobutaka Mochiduki, Masatoshi Ushioda, Makoto Tsuda, Kazuhide Inoue
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Publication number: 20100256123Abstract: A compound having the following formula (II) or its pharmacologically acceptable salt is used as a P2X4 receptor antagonist: in which R11 represents hydrogen or an alkyl group having 1-8 carbon atoms; R21 represents an alkyl group having 1-8 carbon atoms, an alkoxy group having 1-8 carbon atoms, an alkyl group having 1-8 carbon atoms and having 1-3 halogen substituents, or hydroxyl; and R31 is hydrogen or a halogen atom.Type: ApplicationFiled: August 24, 2007Publication date: October 7, 2010Applicant: NIPPON CHEMIPHAR CO., LTD.Inventors: Shogo Sakuma, Tsuyoshi Endo, Toshiyasu Imai, Noriko Kanakubo, Masahiko Arai, Toshihiro Takahashi, Tomio Yamakawa, Makoto Tsuda, Kazuhide Inoue, Kenji Hirate, Takako Hirate
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Publication number: 20090285877Abstract: There is provided a percutaneous absorption preparation that has a simple laminated structure and a long shelf life, while maintaining excellent percutaneous absorption for palonosetron. The percutaneous absorption preparation comprises a support and a drug-containing pressure-sensitive adhesive layer formed on at least one side of the support, wherein the drug-containing pressure-sensitive adhesive layer comprises, as essential constituent components, an adhesive base, palonosetron or a pharmaceutically acceptable acid addition salt thereof, and at least one type of fatty alcohol selected from the group consisting of C6-12 straight-chain saturated alcohols, C10-22 straight-chain unsaturated alcohols, C10-22 branched alcohols and C10-15 cyclic alcohols, and the constituent components other than palonosetron or its pharmaceutically acceptable acid addition salt are carboxyl group-free components.Type: ApplicationFiled: May 14, 2009Publication date: November 19, 2009Applicant: HISAMITSU PHARMACEUTICAL CO., INC.,Inventors: Takashi Yasukochi, Yukihisa Naka, Tsuyoshi Endo, Hirotoshi Adachi
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Publication number: 20090030041Abstract: An N-substituted N-(4-piperininyl)amide derivative represented by the following formula (I): (wherein R1 represents C1-6 alkyl, furyl, etc.; R2 represents amino, acetylamino, ureido, etc.; R3 represents hydrogen, C2-8 alkoxycarbonyl, etc.; R4 represents optionally substituted phenyl, etc.; R5 represents hydroxyl, benzyloxy, etc.; R6 represents hydrogen or methyl; and m is 1 or 2) or a salt of the derivative, and an analgesic containing the derivative or salt.Type: ApplicationFiled: September 13, 2005Publication date: January 29, 2009Inventors: Toshihiro Takahashi, Tsuyoshi Endo, Masatoshi Ushioda, Kunio Kobayashi, Tomio Yamakawa, Kiichi Shika, Toru Kawasaki, Toshiyasu Imai, Kenji Hirate, Takako Hirate